On-air challenge: You are given the ends of the names of three things that are all in the same category. You name the category. For example, "fur," "dine" and "sten" are all ends of chemical elements (sulfur, iodine, tungsten).

Last week's challenge,from listener Annie Haggenmiller of Chimacum, Wash.: Take the name of a well-known U.S. city in four syllables. The first and last syllables together name a musical instrument, and the two interior syllables name a religious official. What is the city?

Answer: Kalamazoo (kazoo, lama)

Winner: Warren Hovland of Brookings, S.D.

Next week's challenge: Name two insects. Read the names one after the other. Insert an H somewhere in this string of letters, and you'll complete a familiar word that is the opposite of what either of these insects is. What word is it?

If you know the answer to next week's challenge, submit it here. Listeners who submit correct answers win a chance to play the on-air puzzle. Important: Include a phone number where we can reach you Thursday at 3 p.m. Eastern.